CN102519631A - Safety detection device for horizontal bearing capacity of balustrade with glass panel in building engineering and detection method thereof - Google Patents
Safety detection device for horizontal bearing capacity of balustrade with glass panel in building engineering and detection method thereof Download PDFInfo
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- CN102519631A CN102519631A CN2011103747554A CN201110374755A CN102519631A CN 102519631 A CN102519631 A CN 102519631A CN 2011103747554 A CN2011103747554 A CN 2011103747554A CN 201110374755 A CN201110374755 A CN 201110374755A CN 102519631 A CN102519631 A CN 102519631A
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- balustrade
- glass panel
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Abstract
The invention discloses a safety detection device for the horizontal bearing capacity of a balustrade with glass panel in building engineering and a detection method thereof. The detection device comprises a loading frame, a fixed pulley, a loading disc, 10 load blocks, a moment cable, a bearing ring, a stainless steel angle bead, a total station, 5 strain gauges and a reader, wherein the strain gauges are connected with the reader; the loading frame is fixed on the foundation; the stainless steel angle bead is mounted at the top corner of the balustrade with glass panel to be detected; the bearing ring is fixed in the middle of the top of the balustrade with glass panel to be detected; one end of the moment cable is connected with the bearing ring, and the other end is connected with the loading disc; the load blocks are placed on the loading disc; the fixed pulley is arranged on the loading frame; and the middle part of the moment cable is connected with the fixed pulley. Through the invention, the horizontal bearing capacity of the balustrade with glass panel can be detected, and the lateral maximum displacement and overall safety performance evaluation of the balustrade with glass panel designed under the effect of 1.5 kN horizontal load can be verified.
Description
Technical field
The present invention relates to a kind of pick-up unit, particularly whether the construction work balustrade with glass panel meets the safety detection device of the determined horizontal bearing capacity of design aspect.
Background technology
Balustrade with glass panel is the doubling tempered glass of 12+2.28+12 in the Expo Site Chinese Pavilion, and basic size: height is 1553mm, and wide 1350mm stays seam 20mm between the breast board.Though the design concept of brevity and lucidity has been satisfied in this kind design; But broken through the 2nd of the selection 7.25 of JGJ113-2009 " building glass application technology skill journey " 7.2 glass: the regulation of " when breast board glass minimum point must not be used the balustrade with glass panel that bears horizontal loading from a side flooring maximum height during greater than 5 meters ", can bear the horizontal thrust and the security related pick-up unit that evaluation is designed with applicability of design code in order to verify this type of balustrade with glass panel reality.
Summary of the invention
The technical matters that the present invention will solve provides a kind of construction work balustrade with glass panel horizontal bearing capacity safety detection device and detection method comes the monolithic balustrade with glass panel is carried out horizontal shift and STRESS VARIATION measurement.
For achieving the above object, technical scheme of the present invention is following:
Construction work balustrade with glass panel horizontal bearing capacity safety detection device; Said pick-up unit comprises loading frame, fixed pulley, loading disc, 10 load pieces, moment rope, force bearing ring, stainless steel corner protector, total powerstation, 5 strainmeters and readers; Said strainmeter is connected with said reader; Said loading frame is fixed on the ground, and said stainless steel corner protector is installed in the drift angle place of balustrade with glass panel to be measured, and said force bearing ring is fixed on the centre at balustrade with glass panel to be measured top; One end of said moment rope is connected with force bearing ring, and its other end is connected with loading disc; Said load piece is placed on the said loading disc, and said fixed pulley is placed on the said loading frame, and the middle part of said moment rope is connected with fixed pulley.
Preferably, the quality of said load piece is 15kg.
Preferably, said force bearing ring is that the processing of φ 8 shaped steel assembles.
Preferably, said stainless steel corner protector length is 1350mm.
Preferably, said pick-up unit also comprises two reflection diaphragms, and said reflection diaphragm is placed on the balustrade with glass panel.
Preferably; Said strainmeter comprises two installation ends and measuring junction, and said installation end is connected through two protection tubes with measuring junction, is provided with string wire in the said protection tube; Said string wire is connected with the string card of installation end; Said installation end is provided with mounting blocks and trip bolt, is provided with solenoid in the said measuring junction, and said string wire is connected with solenoid.
Preferably, said strainmeter is placed on the balustrade with glass panel surface through two installation ends.
Construction work balustrade with glass panel horizontal bearing capacity safety detection method, the step of said detection method is following:
(1) selecting elastic modulus is E=7.4 * 1010Pa, the balustrade with glass panel of Poisson ratio v=0.17.
(2) in bight, balustrade with glass panel upper end 2 displacement monitoring points are set, 5 strain observation points are set in the balustrade with glass panel middle part with apart from the make progress height of 200mm of bottom surface.
(3) two reflection diaphragms are placed in 2 displacement monitoring point places respectively, total powerstation is aimed at the reflection diaphragm on 2 displacement monitoring points.
(4) 5 strainmeters are placed in 5 strain observation point places, 5 strainmeters are connected with reader through instrument cable.
(5) in the middle of the balustrade with glass panel top, settle force bearing ring, an end of moment rope is connected with force bearing ring, and its other end is connected with loading disc; The middle part of moment rope is connected with fixed pulley on being fixed on loading frame.
(6) through in loading disc, adding stress and the horizontal shift that the load piece is measured balustrade with glass panel, a load piece of every increase total powerstation will be read different data with reader, measures when 10 load pieces all add and finishes.
Through technique scheme, the invention has the beneficial effects as follows:
The horizontal shift and the STRESS VARIATION data of balustrade with glass panel when the present invention is used for the horizontal loading force of measurement and is 1.5kN; Its distance accuracy is high; The deviation that takes measurement of an angle is little, and error in point measurement is low, the safety technique index evaluation that is applicable to the design of test architecture decorative engineering balustrade with glass panel, installs and uses the aspect.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a pick-up unit work synoptic diagram of the present invention;
Fig. 2 is the vertical view of Fig. 1 of the present invention;
Fig. 3 is the front view of Fig. 1 of the present invention;
Fig. 4 is the strainmeter structural representation;
Fig. 5 is balustrade with glass panel horizontal bearing capacity-stress curve figure;
Fig. 6 is balustrade with glass panel horizontal bearing force-displacement curve figure.
The numeral corresponding component title represented among the figure with letter:
10, loading frame 11, fixed pulley 12, loading disc 13, load piece 14, moment rope 15, force bearing ring 16, stainless steel corner protector 17, reflection diaphragm 20, strainmeter 21, installation end 21-a, string card 21-b, mounting blocks 21-c, trip bolt 22, measuring junction 22-a, solenoid 23, protection tube 23-a, string wire 30, balustrade with glass panel
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Said referring to Fig. 1 to Fig. 4; Construction work balustrade with glass panel horizontal bearing capacity safety detection device of the present invention, said pick-up unit comprise loading frame 10, fixed pulley 11,12,10 load pieces 13 of loading disc, moment rope 14, force bearing ring 15, stainless steel corner protector 16, total powerstation (not marking among the figure), 5 strainmeters 20 and a reader (not marking among the figure).
Loading frame 10 of the present invention processes through welding and cutting machine, and it is fixed on the ground in use, and the upper end of said loading frame 10 is provided with fixed pulley 11.
Stainless steel corner protector 16 of the present invention is installed in the drift angle place of balustrade with glass panel 30 to be measured, and long 16 degree of stainless steel corner protector are 1350mm, and it is used for cover glass breast board 30 and is not damaged.
Pick-up unit of the present invention also comprises two reflection diaphragms 17, and said reflection diaphragm 17 is placed on the balustrade with glass panel 30.
Embodiment 1
The step of construction work balustrade with glass panel horizontal bearing capacity safety detection method of the present invention is following:
(1) selecting elastic modulus is E=7.4 * 1010Pa, the balustrade with glass panel 30 of Poisson ratio v=0.17, and the quantity of balustrade with glass panel 30 is no less than 5.
(2) in bight, balustrade with glass panel 30 upper end 2 displacement monitoring points are set, 5 strain observation points are set in balustrade with glass panel 30 middle parts with apart from the height of bottom surface 200mm.
(3) two reflection diaphragms 17 are placed in 2 displacement monitoring point places respectively, total powerstation is aimed at the reflection diaphragm 17 on 2 displacement monitoring points.
(4) 5 strainmeters 20 are placed in 5 strain observation point places, 5 strainmeters 20 are connected with reader through instrument cable.
(5) in the middle of balustrade with glass panel 30 tops, settle a force bearing ring 15, an end of moment rope 14 is connected with force bearing ring 15, and its other end is connected with loading disc 12; The middle part of moment rope 14 is connected with fixed pulley 11 on being fixed on loading frame 10, and this experiment utilizes lever principle, adopts fixed pulley classification load application.
(6) the present invention is through adding stress and the horizontal shift that load piece 13 is measured balustrade with glass panel 30 in loading disc 12, and total powerstation adopts reflection diaphragm 17 to measure horizontal shift, and its distance accuracy is 1mm+1ppm; In measurement environment preferably, ultimate range can be surveyed to 250mm; Measurement of angle Hz and V standard deviation are 0.5 "; In the scope of 1.5mm, the error in point measurement that laser alignment device centering produces is ± 0.5mm in instrument higher primary school.Strainmeter 20 is selected vibrating string extensometer for use; The strain that vibrating string extensometer utilizes the variation relation of string vibration frequency and string tension to measure the strainometer loca; The distortion of balustrade with glass panel 30 structures can cause string wire 23-a tension change during measurement; Near the solenoid 22-a exciting string wire 23-a of string wire 23-a and measure its natural frequency of vibration of string wire, the natural frequency of vibration is sent to reader, and reader is measured stress.
Load piece 13 of the every increase of the present invention, total powerstation will be read different data with reader, measures when 10 load pieces 13 all add and finishes.
Can be known that by Fig. 5 and Fig. 6 analysis balustrade with glass panel 30 is under the unidirectional level loading effect of 1.5kN, maximum stress is 12.13MPa, appears at 150-200mm place, top, spiral shell inspection junction.Largest face is deformed into 8.2mm outward.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (8)
1. construction work balustrade with glass panel horizontal bearing capacity safety detection device; It is characterized in that; Said pick-up unit comprises loading frame, fixed pulley, loading disc, 10 load pieces, moment rope, force bearing ring, stainless steel corner protector, total powerstation, 5 strainmeters and readers, and said strainmeter is connected with said reader, and said loading frame is fixed on the ground; Said stainless steel corner protector is installed in the drift angle place of balustrade with glass panel to be measured, and said force bearing ring is fixed on the centre at balustrade with glass panel to be measured top; One end of said moment rope is connected with force bearing ring, and its other end is connected with loading disc; Said load piece is placed on the said loading disc, and said fixed pulley is placed on the said loading frame, and the middle part of said moment rope is connected with fixed pulley.
2. construction work balustrade with glass panel horizontal bearing capacity safety detection device according to claim 1, it is characterized in that: the quality of said load piece is 15kg.
3. construction work balustrade with glass panel horizontal bearing capacity safety detection device according to claim 1 is characterized in that: said force bearing ring is that the processing of φ 8 shaped steel assembles.
4. construction work balustrade with glass panel horizontal bearing capacity safety detection device according to claim 1 is characterized in that: said stainless steel corner protector length is 1350mm.
5. construction work balustrade with glass panel horizontal bearing capacity safety detection device according to claim 1, it is characterized in that: said pick-up unit also comprises two reflection diaphragms, and said reflection diaphragm is placed on the balustrade with glass panel.
6. construction work balustrade with glass panel horizontal bearing capacity safety detection device according to claim 1; It is characterized in that: said strainmeter comprises two installation ends and measuring junction, and said installation end is connected through two protection tubes with measuring junction, is provided with string wire in the said protection tube; Said string wire is connected with the string card of installation end; Said installation end is provided with mounting blocks and trip bolt, is provided with solenoid in the said measuring junction, and said string wire is connected with solenoid.
7. construction work balustrade with glass panel horizontal bearing capacity safety detection device according to claim 6 is characterized in that: said strainmeter is placed on the balustrade with glass panel surface through two installation ends.
8. construction work balustrade with glass panel horizontal bearing capacity safety detection method is characterized in that, the step of said detection method is following:
(1) selecting elastic modulus is E=7.4 * 1010Pa, the balustrade with glass panel of Poisson ratio v=0.17.
(2) in bight, balustrade with glass panel upper end 2 displacement monitoring points are set, 5 strain observation points are set in the balustrade with glass panel middle part with apart from the make progress height of 200mm of bottom surface.
(3) two reflection diaphragms are placed in 2 displacement monitoring point places respectively, total powerstation is aimed at the reflection diaphragm on 2 displacement monitoring points.
(4) 5 strainmeters are placed in 5 strain observation point places, 5 strainmeters are connected with reader through instrument cable.
(5) in the middle of the balustrade with glass panel top, settle force bearing ring, an end of moment rope is connected with force bearing ring, and its other end is connected with loading disc; The middle part of moment rope is connected with fixed pulley on being fixed on loading frame.
(6) through in loading disc, adding stress and the horizontal shift that the load piece is measured balustrade with glass panel, a load piece of every increase total powerstation will be read different data with reader, measures when 10 load pieces all add and finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103747554A CN102519631A (en) | 2011-11-22 | 2011-11-22 | Safety detection device for horizontal bearing capacity of balustrade with glass panel in building engineering and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103747554A CN102519631A (en) | 2011-11-22 | 2011-11-22 | Safety detection device for horizontal bearing capacity of balustrade with glass panel in building engineering and detection method thereof |
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| CN102519631A true CN102519631A (en) | 2012-06-27 |
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| CN2011103747554A Pending CN102519631A (en) | 2011-11-22 | 2011-11-22 | Safety detection device for horizontal bearing capacity of balustrade with glass panel in building engineering and detection method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225663A (en) * | 2016-07-28 | 2016-12-14 | 北京金风科创风电设备有限公司 | Verification device for strain test |
| CN110068505A (en) * | 2018-12-30 | 2019-07-30 | 常州华厦建设工程质量检测有限公司 | A kind of anti-horizontal loading on-site detecting device of guardrail and its application method |
| CN113048873A (en) * | 2021-03-11 | 2021-06-29 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Assembled is anti-arch testing arrangement for prefabricated component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0315731A (en) * | 1989-06-13 | 1991-01-24 | Toyobo Co Ltd | Strain sensor device |
| CN2510852Y (en) * | 2001-11-16 | 2002-09-11 | 长沙金码高科技实业有限公司 | Surface-sticked intelligent digital vibration wire strain gauge |
| CN201724810U (en) * | 2010-05-21 | 2011-01-26 | 上海建工（集团）总公司 | Detecting device |
| CN202329884U (en) * | 2011-11-22 | 2012-07-11 | 上海市建筑装饰工程有限公司 | Horizontal bearing capacity safety detection device of building engineering glass breast board |
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2011
- 2011-11-22 CN CN2011103747554A patent/CN102519631A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0315731A (en) * | 1989-06-13 | 1991-01-24 | Toyobo Co Ltd | Strain sensor device |
| CN2510852Y (en) * | 2001-11-16 | 2002-09-11 | 长沙金码高科技实业有限公司 | Surface-sticked intelligent digital vibration wire strain gauge |
| CN201724810U (en) * | 2010-05-21 | 2011-01-26 | 上海建工（集团）总公司 | Detecting device |
| CN202329884U (en) * | 2011-11-22 | 2012-07-11 | 上海市建筑装饰工程有限公司 | Horizontal bearing capacity safety detection device of building engineering glass breast board |
Non-Patent Citations (1)
| Title |
|---|
| 宋振宇: "阳台悬臂式玻璃栏板抗推力试验研究", 《工程质量》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225663A (en) * | 2016-07-28 | 2016-12-14 | 北京金风科创风电设备有限公司 | Verification device for strain test |
| CN110068505A (en) * | 2018-12-30 | 2019-07-30 | 常州华厦建设工程质量检测有限公司 | A kind of anti-horizontal loading on-site detecting device of guardrail and its application method |
| CN113048873A (en) * | 2021-03-11 | 2021-06-29 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Assembled is anti-arch testing arrangement for prefabricated component |
| CN113048873B (en) * | 2021-03-11 | 2023-08-01 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Reverse arch testing device for assembled prefabricated part |
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Application publication date: 20120627 |